The East 64th Street townhouse that Jocelyne Wildenstein and her ex-husband, Alec, lived in for years, has been sold for $42.5 million. The buyer of the 29-foot-wide manse, which features a ballroom and a pool in the basement, remains a mystery, although the prime suspect is Leonard Blavatnik. [NYO]

Director Michel Gondry is moving to Brooklyn. He paid $1.28 million for a Williamsburg townhouse at 15 Orient Avenue. [Brownstoner via TRD]

Rev. Run and his wife Justine are putting their Saddle River house on the market for $5.2 million. The 8,500-square-foot mansion, which has been on-and-off the market for the past three years, features a basketball court and a movie theater. [WSJ]

Jason Kidd is playing with the Dallas Mavericks now, but he may be planning to spend the off-season in Manhattan. He was spotted looking at the HL23, the new luxury building going up next to the High Line. [NYDN]